diff --git a/app_base_company_zchart/static/description/index.html b/app_base_company_zchart/static/description/index.html
index af77766e..0a7cd659 100644
--- a/app_base_company_zchart/static/description/index.html
+++ b/app_base_company_zchart/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_event_superbar/static/description/index.html b/app_event_superbar/static/description/index.html
index c7699174..facd5570 100644
--- a/app_event_superbar/static/description/index.html
+++ b/app_event_superbar/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_event_superbar_pro/static/description/index.html b/app_event_superbar_pro/static/description/index.html
index c7699174..facd5570 100644
--- a/app_event_superbar_pro/static/description/index.html
+++ b/app_event_superbar_pro/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_odoo_customize/static/description/index.html b/app_odoo_customize/static/description/index.html
index f56f6225..6b028abb 100644
--- a/app_odoo_customize/static/description/index.html
+++ b/app_odoo_customize/static/description/index.html
@@ -1,3 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_odoo_customize/static/description/index_cn.html b/app_odoo_customize/static/description/index_cn.html
index 8a344e8e..c28b71d4 100644
--- a/app_odoo_customize/static/description/index_cn.html
+++ b/app_odoo_customize/static/description/index_cn.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_product_superbar/static/description/index.html b/app_product_superbar/static/description/index.html
index 5f6c8291..ec45d125 100644
--- a/app_product_superbar/static/description/index.html
+++ b/app_product_superbar/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################
diff --git a/app_web_enterprise/static/description/index.html b/app_web_enterprise/static/description/index.html
index 16a6385d..25e6ba3b 100644
--- a/app_web_enterprise/static/description/index.html
+++ b/app_web_enterprise/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################